P and Q can do a work in 12 days. Q and R can do the same work in 16 days, and R and P can do it in 24 days. Find the time in which P, Q and R can finish the work together.

Options

A. `10(2/3)` days
B. `5(2/3)` days
C. `10(3/2)` days
D. none

Answer

A